Psychology is the scientific study of behavior and mental processes. This includes understanding how individuals think, feel, and behave in different contexts, both individually and in social settings. Psychology explores cognitive, emotional, and social processes and aims to understand the underlying mechanisms of human behavior.
- Study of biological processes (A) focuses more on fields like biology or neuroscience, which explore physiological and genetic factors.
- Study of social institutions (C) is more aligned with sociology, which examines institutions such as family, education, and religion.
- Study of economic behaviors (D) is the focus of economics, which looks at the production, distribution, and consumption of goods and services.
Thus, the correct answer is (B), as it encompasses the core focus of psychology.